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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 10, Molecular Biology.

Multiple Choice Questions

1. In Hanson's informal notes concerning Barbara, he claims that she weighed approximately how many pounds?
(a) 95.
(b) 100.
(c) 110.
(d) 90.

2. Who presented the third paper in the 1951 symposium?
(a) Lewis Stadler.
(b) Barbara McClintock.
(c) Richard Goldschmidt.
(d) Milislav Demerec.

3. What is the word that describes a chromosome that has two centromeres?
(a) Dichromosomic.
(b) Dicentric.
(c) Dicentromeric.
(d) Digenetic.

4. In Chapter 9, Evelyn Keller quotes Einstein. He said, "To these elementary laws there leads no logical path, but only" what?
(a) Intuition.
(b) Discovery.
(c) Experience.
(d) Dreams.

5. Gerald Holton commented on scientific imagination and it's importance to how many particular scientists?
(a) One.
(b) Two.
(c) Three.
(d) Four.

Short Answer Questions

1. What was Demerec summing up by the words, "Ten years ago they were visualized as fixed units with precise boundaries?"

2. What was the first name of Barbara's father?

3. Who was the co-author with McClintock on the paper that provided conclusive evidence for the chromosomal basis of genetics?

4. In 1942, why had the atmosphere at Cold Spring Harbor become even quieter than normal?

5. How did Evelyn Witkin say she learned from Barbara and developed her own understanding from her?

(see the answer key)

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